// https://cs.opensource.google/go/x/crypto/+/refs/tags/v0.22.0:ssh/common.go;l=85
var supportedMACs = []string{
	"hmac-sha2******@****.***", "hmac-sha2******@****.***", "hmac-sha2-256", "hmac-sha2-512", "hmac-sha1", "hmac-sha1-96",
}

func sshPubKeyAuth(c ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
	return authenticateSSHConnection(c, key, nil)
}

   *     </ul>
   */
  @Deprecated
  public static HashFunction sha1() {
    return Sha1Holder.SHA_1;
  }

  private static final class Sha1Holder {
    static final HashFunction SHA_1 = new MessageDigestHashFunction("SHA-1", "Hashing.sha1()");
  }

  /** Returns a hash function implementing the SHA-256 algorithm (256 hash bits). */
  public static HashFunction sha256() {

 * supporting various checksum algorithms including HMAC-MD5 and HMAC-SHA1 with AES.
 */
public class PacSignature {

    /**
     * Kerberos checksum type for HMAC-MD5 (ARCFOUR-HMAC).
     */
    public static final int KERB_CHECKSUM_HMAC_MD5 = 0xFFFFFF76;
    /**
     * Kerberos checksum type for HMAC-SHA1-96 with AES-128.
     */
    public static final int HMAC_SHA1_96_AES128 = 0x0000000F;
    /**

    // Default configuration
    private static final int DEFAULT_HASH_ALGORITHM = HASH_ALGO_SHA512;
    private static final int SALT_SIZE = 32; // 32 bytes as per SMB 3.1.1 spec
    private static final int HASH_SIZE_SHA512 = 64; // SHA-512 produces 64-byte hashes

    // Session-specific preauth integrity contexts
    private final ConcurrentMap<String, PreauthIntegrityContext> sessionContexts = new ConcurrentHashMap<>();

    // Security configuration

application/x-mif              mif              #
application/x-netcdf           nc cdf           #
#application/x-sh               sh               # sh Shell Program
application/x-shar             shar             #
application/x-shockwave-flash  swf              # Macromedia Shockwave file
application/x-spss             sav spp sbs sps spo # SPSS
application/x-stuffit          sit              # Macintosh Stuff-It

			name:    "unknown key XAmzChecksumSHA1 is error as it does not appear in policy",
			fv:      defaultFormVals.Clone().Set(http.CanonicalHeaderKey(xhttp.AmzChecksumSHA1), "sha1-val"),
			wantErr: `Each form field that you specify in a form must appear in the list of policy conditions. "X-Amz-Checksum-Sha1" not specified in the policy.`,
		},
		{
			name:    "unknown key XAmzChecksumSHA256 is error as it does not appear in policy",

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"crypto/hmac"
	"crypto/sha1"
	"crypto/subtle"
	"encoding/base64"
	"fmt"
	"net/http"
	"net/url"
	"sort"
	"strconv"
	"strings"

	xhttp "github.com/minio/minio/internal/http"

	"github.com/minio/minio/internal/auth"
)

        // Setup SMB3.1.1 negotiation
        when(negotiateResponse.getSelectedDialect()).thenReturn(DialectVersion.SMB311);
        when(negotiateResponse.getSelectedPreauthHash()).thenReturn(1); // SHA-512
        setPrivateField(transport, "smb2", true);
        setPrivateField(transport, "negotiated", negotiateResponse);

        int threadCount = 10;
        CountDownLatch startLatch = new CountDownLatch(1);

            throw new CIFSUnsupportedCryptoException(e);
        }
    }

    /**
     * Get a SHA-512 message digest instance.
     * @return SHA512 digest instance
     */
    public static MessageDigest getSHA512() {
        try {
            return MessageDigest.getInstance("SHA-512");
        } catch (final NoSuchAlgorithmException e) {
            throw new CIFSUnsupportedCryptoException(e);
        }

        @DisplayName("calculatePreauthHash computes SHA-512 chain for SMB 3.1.1")
        void preauthHash_happyPath() throws Exception {
            setField(transport, "smb2", true);
            Smb2NegotiateResponse nego = new Smb2NegotiateResponse(cfg);
            setField(nego, "selectedDialect", DialectVersion.SMB311);
            setField(nego, "selectedPreauthHash", 1); // 1 => SHA-512
            setField(transport, "negotiated", nego);